**:** . .
**:**
**:**
**:**
**:** 2012
**:** ..

** :**
**:** 36
**:** . . / . 36. .: , 2012. .93-105.

**:**
** :** , , ,

** (.):** semi-markov controlled process, control strategy, income functional, optimization.

**:** M/M/n*/N*. - . . .

** (.):** The controlled Markov queuing model M/M/n*/N* is studied. The income functional is being constructed on the trajectories of the controlled semi-markov process. The main problem is to optimize the income functional by adjusting the structure of the system.

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